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Chinese Journal of Space Science ›› 2016, Vol. 36 ›› Issue (6): 916-924.doi: 10.11728/cjss2016.06.916

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Radiation Characteristic Estimation of Chang'E-3 Landing Area

SONG Xin, ZHANG Youwei, LIU Zijun   

  1. Beijing Institute of Spacecraft System Engineering, Beijing 100094
  • Received:2015-09-19 Revised:2016-03-20 Online:2016-11-15 Published:2016-11-23

Abstract:

Emissivity and solar radiation reflectivity of the lunar surface are very important for mastering the lunar surface status and exploring resource. But it is very difficult to install special equipment on spacecraft to perform measurement near the lunar surface. Therefore until now there is very few direct measurement data. This paper had estimated emissivity and solar radiation reflectivity of the lunar surface based on thermal control coating parameters of topography camera and stepper motor which are mounted on Chang'E-3 Lander. Numerical results show that the reflectivity and solar radiation reflectivity at Chang'E-3 landing area are 0.105 and 0.866 respectively. This data could be consulted by further scientific research work.

Key words: Lunar surface temperature, Radiation characteristics, Thermal control coating

CLC Number: